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Fault Diagnosis of Analog Circuit Based on Wavelet Analysis and Clonal Selection Algorithm
Author(s): 
Pages: 12-16
Year: Issue:  6
Journal: TRANSACTIONS OF CHINA ELECTROTECHNICAL SOCIETY

Keyword:  人工免疫系统克隆选择算法小波分析模拟电路故障诊断;
Abstract: 提出一种基于人工免疫系统的模拟电路故障诊断新方法.该方法首先对电路输出节点的电压信号进行小波分解,提取各频段的能量作为故障样本;然后利用人工免疫算法对每类故障的故障样本进行自学习,得到该类故障的最优聚类中心;最后计算故障样本和学习得到的聚类中心的距离对电路故障样本进行分类,从而实现故障元件定位.计算机仿真实验结果表明,该方法对容差模拟电路故障定位具有较高的准确率.
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